web: Don't log that we're falling back when not building dual-wasm

web/packages/core/src/load-ruffle.ts

@@ -45,7 +45,10 @@ async function fetchRuffle(
         ])
     ).every(Boolean);
 
-    if (!extensionsSupported) {
+    // @ts-expect-error TS2367 %FALLBACK_WASM% gets replaced in set_version.ts.
+    // %FALLBACK_WASM% is "ruffle_web" if this is a dual-wasm build.
+    // We don't say we're falling back if we have only an extension build.
+    if (!extensionsSupported && "%FALLBACK_WASM%" === "ruffle_web") {
         console.log(
             "Some WebAssembly extensions are NOT available, falling back to the vanilla WebAssembly module",
         );